NASHVILLE, TN – One of the most iconic rock guitarists of our generation, Kirk Hammett—legendary guitarist of the multi-platinum-selling, nine-time GRAMMY® Award-winning band Metallica—continues his long-standing partnership with Gibson. Today, the iconic instrument brand proudly unveils its latest collaboration: a bold new acoustic from Gibson Custom. Kirk Hammett teamed up with the master luthiers at Gibson Custom in Bozeman, Montana,…